static void
solid_bgnd_read(Lib3dsBackground *background, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
int have_lin = FALSE;
lib3ds_chunk_read_start(&c, CHK_SOLID_BGND, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_LIN_COLOR_F:
lib3ds_io_read_rgb(io, background->solid_color);
have_lin = TRUE;
break;
case CHK_COLOR_F:
lib3ds_io_read_rgb(io, background->solid_color);
break;
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
solid_bgnd_read(Lib3dsBackground *background, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
Lib3dsBool have_lin=LIB3DS_FALSE;
(void)have_lin;
if (!lib3ds_chunk_read_start(&c, LIB3DS_SOLID_BGND, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_LIN_COLOR_F:
lib3ds_io_read_rgb(io, background->solid.col);
have_lin=LIB3DS_TRUE;
break;
case LIB3DS_COLOR_F:
lib3ds_io_read_rgb(io, background->solid.col);
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static void
distance_cue_read(Lib3dsAtmosphere *at, Lib3dsIo *io)
{
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, CHK_DISTANCE_CUE, io);
at->dist_cue_near_plane = lib3ds_io_read_float(io);
at->dist_cue_near_dimming = lib3ds_io_read_float(io);
at->dist_cue_far_plane = lib3ds_io_read_float(io);
at->dist_cue_far_dimming = lib3ds_io_read_float(io);
lib3ds_chunk_read_tell(&c, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0)
{
switch (chunk)
{
case CHK_DCUE_BGND: {
at->dist_cue_background = TRUE;
}
break;
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
int_percentage_read(Lib3dsFloat *p, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, 0, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_INT_PERCENTAGE:
{
Lib3dsIntw i=lib3ds_io_read_intw(io);
*p=(Lib3dsFloat)(1.0*i/100.0);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static void
layer_fog_read(Lib3dsAtmosphere *at, Lib3dsIo *io)
{
Lib3dsChunk c;
uint16_t chunk;
int have_lin = FALSE;
lib3ds_chunk_read_start(&c, CHK_LAYER_FOG, io);
at->layer_fog_near_y = lib3ds_io_read_float(io);
at->layer_fog_far_y = lib3ds_io_read_float(io);
at->layer_fog_density = lib3ds_io_read_float(io);
at->layer_fog_flags = lib3ds_io_read_dword(io);
lib3ds_chunk_read_tell(&c, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0)
{
switch (chunk)
{
case CHK_LIN_COLOR_F:
lib3ds_io_read_rgb(io, at->layer_fog_color);
have_lin = TRUE;
break;
case CHK_COLOR_F:
lib3ds_io_read_rgb(io, at->layer_fog_color);
break;
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
layer_fog_read(Lib3dsLayerFog *fog, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
Lib3dsBool have_lin=LIB3DS_FALSE;
if (!lib3ds_chunk_read_start(&c, LIB3DS_LAYER_FOG, io)) {
return(LIB3DS_FALSE);
}
fog->near_y=lib3ds_io_read_float(io);
fog->far_y=lib3ds_io_read_float(io);
fog->density=lib3ds_io_read_float(io);
fog->flags=lib3ds_io_read_dword(io);
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_LIN_COLOR_F:
lib3ds_io_read_rgb(io, fog->col);
have_lin=LIB3DS_TRUE;
break;
case LIB3DS_COLOR_F:
lib3ds_io_read_rgb(io, fog->col);
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
distance_cue_read(Lib3dsDistanceCue *cue, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_DISTANCE_CUE, io)) {
return(LIB3DS_FALSE);
}
cue->near_plane=lib3ds_io_read_float(io);
cue->near_dimming=lib3ds_io_read_float(io);
cue->far_plane=lib3ds_io_read_float(io);
cue->far_dimming=lib3ds_io_read_float(io);
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_DCUE_BGND:
{
cue->cue_background=LIB3DS_TRUE;
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
/*!
* \ingroup file
*/
Lib3dsBool
lib3ds_file_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, 0, f)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_MDATA:
{
lib3ds_chunk_read_reset(&c, f);
if (!mdata_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_M3DMAGIC:
case LIB3DS_MLIBMAGIC:
case LIB3DS_CMAGIC:
{
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_M3D_VERSION:
{
file->mesh_version=lib3ds_dword_read(f);
}
break;
case LIB3DS_MDATA:
{
lib3ds_chunk_read_reset(&c, f);
if (!mdata_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_KFDATA:
{
lib3ds_chunk_read_reset(&c, f);
if (!kfdata_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
}
break;
default:
lib3ds_chunk_unknown(c.chunk);
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
static void
color_read(float rgb[3], Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
int have_lin = FALSE;
lib3ds_chunk_read_start(&c, 0, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_LIN_COLOR_24: {
int i;
for (i = 0; i < 3; ++i) {
rgb[i] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
}
have_lin = TRUE;
break;
}
case CHK_COLOR_24: {
/* gamma corrected color chunk
replaced in 3ds R3 by LIN_COLOR_24 */
if (!have_lin) {
int i;
for (i = 0; i < 3; ++i) {
rgb[i] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
}
}
break;
}
case CHK_LIN_COLOR_F: {
int i;
for (i = 0; i < 3; ++i) {
rgb[i] = lib3ds_io_read_float(io);
}
have_lin = TRUE;
break;
}
case CHK_COLOR_F: {
if (!have_lin) {
int i;
for (i = 0; i < 3; ++i) {
rgb[i] = lib3ds_io_read_float(io);
}
}
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
/*!
* Read a camera definition from a file.
*
* This function is called by lib3ds_file_read(), and you probably
* don't want to call it directly.
*
* \param camera A Lib3dsCamera to be filled in.
* \param io A Lib3dsIo object previously set up by the caller.
*
* \return LIB3DS_TRUE on success, LIB3DS_FALSE on failure.
*
* \see lib3ds_file_read
*
* \ingroup camera
*/
Lib3dsBool
lib3ds_camera_read(Lib3dsCamera *camera, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_N_CAMERA, io)) {
return(LIB3DS_FALSE);
}
{
int i;
for (i=0; i<3; ++i) {
camera->position[i]=lib3ds_io_read_float(io);
}
for (i=0; i<3; ++i) {
camera->target[i]=lib3ds_io_read_float(io);
}
}
camera->roll=lib3ds_io_read_float(io);
{
float s;
s=lib3ds_io_read_float(io);
if (fabs(s)<LIB3DS_EPSILON) {
camera->fov=45.0;
}
else {
camera->fov=2400.0f/s;
}
}
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_CAM_SEE_CONE:
{
camera->see_cone=LIB3DS_TRUE;
}
break;
case LIB3DS_CAM_RANGES:
{
camera->near_range=lib3ds_io_read_float(io);
camera->far_range=lib3ds_io_read_float(io);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
color_read(Lib3dsRgba rgb, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
Lib3dsBool have_lin=LIB3DS_FALSE;
if (!lib3ds_chunk_read_start(&c, 0, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_LIN_COLOR_24:
{
int i;
for (i=0; i<3; ++i) {
rgb[i]=1.0f*lib3ds_byte_read(f)/255.0f;
}
rgb[3]=1.0f;
}
have_lin=LIB3DS_TRUE;
break;
case LIB3DS_COLOR_24:
/* gamma corrected color chunk
replaced in 3ds R3 by LIN_COLOR_24 */
if (!have_lin) {
int i;
for (i=0; i<3; ++i) {
rgb[i]=1.0f*lib3ds_byte_read(f)/255.0f;
}
rgb[3]=1.0f;
}
break;
case LIB3DS_COLOR_F:
// sth: this will fix 3ds-files exported from cinema 4d
lib3ds_rgb_read(rgb, f);
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
static Lib3dsBool
v_gradient_read(Lib3dsBackground *background, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
int index[2];
Lib3dsRgb col[2][3];
int have_lin=0;
if (!lib3ds_chunk_read_start(&c, LIB3DS_V_GRADIENT, io)) {
return(LIB3DS_FALSE);
}
background->gradient.percent=lib3ds_io_read_float(io);
lib3ds_chunk_read_tell(&c, io);
index[0]=index[1]=0;
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_COLOR_F:
lib3ds_io_read_rgb(io, col[0][index[0]]);
index[0]++;
break;
case LIB3DS_LIN_COLOR_F:
lib3ds_io_read_rgb(io, col[1][index[1]]);
index[1]++;
have_lin=1;
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
{
int i;
for (i=0; i<3; ++i) {
background->gradient.top[i]=col[have_lin][0][i];
background->gradient.middle[i]=col[have_lin][1][i];
background->gradient.bottom[i]=col[have_lin][2][i];
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static void
fog_read(Lib3dsAtmosphere *at, Lib3dsIo *io)
{
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, CHK_FOG, io);
at->fog_near_plane = lib3ds_io_read_float(io);
at->fog_near_density = lib3ds_io_read_float(io);
at->fog_far_plane = lib3ds_io_read_float(io);
at->fog_far_density = lib3ds_io_read_float(io);
lib3ds_chunk_read_tell(&c, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0)
{
switch (chunk)
{
case CHK_LIN_COLOR_F: {
int i;
for (i = 0; i < 3; ++i)
{
at->fog_color[i] = lib3ds_io_read_float(io);
}
}
break;
case CHK_COLOR_F:
break;
case CHK_FOG_BGND: {
at->fog_background = TRUE;
}
break;
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
ambient_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
Lib3dsBool have_lin=LIB3DS_FALSE;
if (!lib3ds_chunk_read_start(&c, LIB3DS_AMBIENT_LIGHT, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_LIN_COLOR_F:
{
int i;
for (i=0; i<3; ++i) {
file->ambient[i]=lib3ds_float_read(f);
}
}
have_lin=LIB3DS_TRUE;
break;
case LIB3DS_COLOR_F:
{
/* gamma corrected color chunk
replaced in 3ds R3 by LIN_COLOR_24 */
if (!have_lin) {
int i;
for (i=0; i<3; ++i) {
file->ambient[i]=lib3ds_float_read(f);
}
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
static void
v_gradient_read(Lib3dsBackground *background, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
int index[2];
float col[2][3][3];
int have_lin = 0;
lib3ds_chunk_read_start(&c, CHK_V_GRADIENT, io);
background->gradient_percent = lib3ds_io_read_float(io);
lib3ds_chunk_read_tell(&c, io);
index[0] = index[1] = 0;
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_COLOR_F:
lib3ds_io_read_rgb(io, col[0][index[0]]);
index[0]++;
break;
case CHK_LIN_COLOR_F:
lib3ds_io_read_rgb(io, col[1][index[1]]);
index[1]++;
have_lin = 1;
break;
default:
lib3ds_chunk_unknown(chunk, io);
}
}
{
int i;
for (i = 0; i < 3; ++i) {
background->gradient_top[i] = col[have_lin][0][i];
background->gradient_middle[i] = col[have_lin][1][i];
background->gradient_bottom[i] = col[have_lin][2][i];
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
fog_read(Lib3dsFog *fog, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_FOG, io)) {
return(LIB3DS_FALSE);
}
fog->near_plane = lib3ds_io_read_float(io);
fog->near_density=lib3ds_io_read_float(io);
fog->far_plane=lib3ds_io_read_float(io);
fog->far_density=lib3ds_io_read_float(io);
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_LIN_COLOR_F:
{
int i;
for (i=0; i<3; ++i) {
fog->col[i]=lib3ds_io_read_float(io);
}
}
break;
case LIB3DS_COLOR_F:
break;
case LIB3DS_FOG_BGND:
{
fog->fog_background=LIB3DS_TRUE;
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static void
int_percentage_read(float *p, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, 0, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_INT_PERCENTAGE: {
int16_t i = lib3ds_io_read_intw(io);
*p = (float)(1.0 * i / 100.0);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static void
ambient_read(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
int have_lin = FALSE;
lib3ds_chunk_read_start(&c, CHK_AMBIENT_LIGHT, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_LIN_COLOR_F: {
int i;
for (i = 0; i < 3; ++i) {
file->ambient[i] = lib3ds_io_read_float(io);
}
have_lin = TRUE;
break;
}
case CHK_COLOR_F: {
/* gamma corrected color chunk
replaced in 3ds R3 by LIN_COLOR_24 */
if (!have_lin) {
int i;
for (i = 0; i < 3; ++i) {
file->ambient[i] = lib3ds_io_read_float(io);
}
}
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
void
lib3ds_material_read(Lib3dsMaterial *material, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
assert(material);
lib3ds_chunk_read_start(&c, CHK_MAT_ENTRY, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MAT_NAME: {
lib3ds_io_read_string(io, material->name, 64);
lib3ds_io_log(io, LIB3DS_LOG_INFO, " NAME=%s", material->name);
break;
}
case CHK_MAT_AMBIENT: {
lib3ds_chunk_read_reset(&c, io);
color_read(material->ambient, io);
break;
}
case CHK_MAT_DIFFUSE: {
lib3ds_chunk_read_reset(&c, io);
color_read(material->diffuse, io);
break;
}
case CHK_MAT_SPECULAR: {
lib3ds_chunk_read_reset(&c, io);
color_read(material->specular, io);
break;
}
case CHK_MAT_SHININESS: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->shininess, io);
break;
}
case CHK_MAT_SHIN2PCT: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->shin_strength, io);
break;
}
case CHK_MAT_TRANSPARENCY: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->transparency, io);
break;
}
case CHK_MAT_XPFALL: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->falloff, io);
break;
}
case CHK_MAT_SELF_ILPCT: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->self_illum, io);
break;
}
case CHK_MAT_USE_XPFALL: {
material->use_falloff = TRUE;
break;
}
case CHK_MAT_REFBLUR: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->blur, io);
break;
}
case CHK_MAT_USE_REFBLUR: {
material->use_blur = TRUE;
break;
}
case CHK_MAT_SHADING: {
material->shading = lib3ds_io_read_intw(io);
break;
}
case CHK_MAT_SELF_ILLUM: {
material->self_illum_flag = TRUE;
break;
}
case CHK_MAT_TWO_SIDE: {
material->two_sided = TRUE;
break;
}
case CHK_MAT_DECAL: {
material->map_decal = TRUE;
break;
}
case CHK_MAT_ADDITIVE: {
material->is_additive = TRUE;
break;
}
case CHK_MAT_FACEMAP: {
material->face_map = TRUE;
break;
}
case CHK_MAT_PHONGSOFT: {
material->soften = TRUE;
break;
}
case CHK_MAT_WIRE: {
material->use_wire = TRUE;
break;
}
case CHK_MAT_WIREABS: {
material->use_wire_abs = TRUE;
break;
}
case CHK_MAT_WIRE_SIZE: {
material->wire_size = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_TEXMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture1_map, io);
break;
}
case CHK_MAT_TEXMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture1_mask, io);
break;
}
case CHK_MAT_TEX2MAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture2_map, io);
break;
}
case CHK_MAT_TEX2MASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture2_mask, io);
break;
}
case CHK_MAT_OPACMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->opacity_map, io);
break;
}
case CHK_MAT_OPACMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->opacity_mask, io);
break;
}
case CHK_MAT_BUMPMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->bump_map, io);
break;
}
case CHK_MAT_BUMPMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->bump_mask, io);
break;
}
case CHK_MAT_SPECMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->specular_map, io);
break;
}
case CHK_MAT_SPECMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->specular_mask, io);
break;
}
case CHK_MAT_SHINMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->shininess_map, io);
break;
}
case CHK_MAT_SHINMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->shininess_mask, io);
break;
}
case CHK_MAT_SELFIMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->self_illum_map, io);
break;
}
case CHK_MAT_SELFIMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->self_illum_mask, io);
break;
}
case CHK_MAT_REFLMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->reflection_map, io);
break;
}
case CHK_MAT_REFLMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->reflection_mask, io);
break;
}
case CHK_MAT_ACUBIC: {
lib3ds_io_read_intb(io);
material->autorefl_map_anti_alias = lib3ds_io_read_intb(io);
material->autorefl_map_flags = lib3ds_io_read_intw(io);
material->autorefl_map_size = lib3ds_io_read_intd(io);
material->autorefl_map_frame_step = lib3ds_io_read_intd(io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static void
texture_map_read(Lib3dsTextureMap *map, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, 0, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_INT_PERCENTAGE: {
map->percent = 1.0f * lib3ds_io_read_intw(io) / 100.0f;
break;
}
case CHK_MAT_MAPNAME: {
lib3ds_io_read_string(io, map->name, 64);
lib3ds_io_log(io, LIB3DS_LOG_INFO, " NAME=%s", map->name);
break;
}
case CHK_MAT_MAP_TILING: {
map->flags = lib3ds_io_read_word(io);
break;
}
case CHK_MAT_MAP_TEXBLUR:
map->blur = lib3ds_io_read_float(io);
break;
case CHK_MAT_MAP_USCALE:
map->scale[0] = lib3ds_io_read_float(io);
break;
case CHK_MAT_MAP_VSCALE: {
map->scale[1] = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_UOFFSET: {
map->offset[0] = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_VOFFSET: {
map->offset[1] = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_ANG: {
map->rotation = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_COL1: {
map->tint_1[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_1[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_1[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_COL2: {
map->tint_2[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_2[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_2[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_RCOL: {
map->tint_r[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_r[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_r[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_GCOL: {
map->tint_g[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_g[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_g[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_BCOL: {
map->tint_b[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_b[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_b[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
default:
lib3ds_chunk_unknown(chunk,io);
}
}
lib3ds_chunk_read_end(&c, io);
}
void
lib3ds_node_read(Lib3dsNode *node, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
assert(node);
lib3ds_chunk_read_start(&c, 0, io);
switch (c.chunk) {
case CHK_AMBIENT_NODE_TAG:
case CHK_OBJECT_NODE_TAG:
case CHK_CAMERA_NODE_TAG:
case CHK_TARGET_NODE_TAG:
case CHK_LIGHT_NODE_TAG:
case CHK_SPOTLIGHT_NODE_TAG:
case CHK_L_TARGET_NODE_TAG:
break;
default:
return;
}
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_NODE_ID: {
node->node_id = lib3ds_io_read_word(io);
lib3ds_io_log_indent(io, 1);
lib3ds_io_log(io, LIB3DS_LOG_INFO, "ID=%d", (short)node->node_id);
lib3ds_io_log_indent(io, -1);
break;
}
case CHK_NODE_HDR: {
lib3ds_io_read_string(io, node->name, 64);
node->flags = lib3ds_io_read_word(io);
node->flags |= ((uint32_t)lib3ds_io_read_word(io)) << 16;
node->user_id = lib3ds_io_read_word(io);
lib3ds_io_log_indent(io, 1);
lib3ds_io_log(io, LIB3DS_LOG_INFO, "NAME=%s", node->name);
lib3ds_io_log(io, LIB3DS_LOG_INFO, "PARENT=%d", (short)node->user_id);
lib3ds_io_log_indent(io, -1);
break;
}
case CHK_PIVOT: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
lib3ds_io_read_vector(io, n->pivot);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_INSTANCE_NAME: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
lib3ds_io_read_string(io, n->instance_name, 64);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_BOUNDBOX: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
lib3ds_io_read_vector(io, n->bbox_min);
lib3ds_io_read_vector(io, n->bbox_max);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_COL_TRACK_TAG: {
Lib3dsTrack *track = 0;
switch (node->type) {
case LIB3DS_NODE_AMBIENT_COLOR: {
Lib3dsAmbientColorNode *n = (Lib3dsAmbientColorNode*)node;
track = &n->color_track;
break;
}
case LIB3DS_NODE_OMNILIGHT: {
Lib3dsOmnilightNode *n = (Lib3dsOmnilightNode*)node;
track = &n->color_track;
break;
}
case LIB3DS_NODE_SPOTLIGHT: {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
track = &n->color_track;
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
if (track) {
lib3ds_track_read(track, io);
}
break;
}
case CHK_POS_TRACK_TAG: {
Lib3dsTrack *track = 0;
switch (node->type) {
case LIB3DS_NODE_MESH_INSTANCE: {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_CAMERA: {
Lib3dsCameraNode *n = (Lib3dsCameraNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_CAMERA_TARGET: {
Lib3dsTargetNode *n = (Lib3dsTargetNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_OMNILIGHT: {
Lib3dsOmnilightNode *n = (Lib3dsOmnilightNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_SPOTLIGHT: {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_SPOTLIGHT_TARGET: {
Lib3dsTargetNode *n = (Lib3dsTargetNode*)node;
track = &n->pos_track;
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
if (track) {
lib3ds_track_read(track, io);
}
break;
}
case CHK_ROT_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->rot_track.type = LIB3DS_TRACK_QUAT;
lib3ds_track_read(&n->rot_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_SCL_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->scl_track.type = LIB3DS_TRACK_VECTOR;
lib3ds_track_read(&n->scl_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_FOV_TRACK_TAG: {
if (node->type == LIB3DS_NODE_CAMERA) {
Lib3dsCameraNode *n = (Lib3dsCameraNode*)node;
n->fov_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->fov_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_HOT_TRACK_TAG: {
if (node->type == LIB3DS_NODE_SPOTLIGHT) {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
n->hotspot_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->hotspot_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_FALL_TRACK_TAG: {
if (node->type == LIB3DS_NODE_SPOTLIGHT) {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
n->falloff_track.type= LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->falloff_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_ROLL_TRACK_TAG: {
switch (node->type) {
case LIB3DS_NODE_CAMERA: {
Lib3dsCameraNode *n = (Lib3dsCameraNode*)node;
n->roll_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->roll_track, io);
break;
}
case LIB3DS_NODE_SPOTLIGHT: {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
n->roll_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->roll_track, io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_HIDE_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->hide_track.type = LIB3DS_TRACK_BOOL;
lib3ds_track_read(&n->hide_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_MORPH_SMOOTH: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->morph_smooth = lib3ds_io_read_float(io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
}
break;
/*
case LIB3DS_MORPH_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->morph_track = lib3ds_track_new(node, LIB3DS_TRACK_MORPH, 0);
lib3ds_track_read(n->morph_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
}
break;
*/
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static void
face_array_read(Lib3dsFile *file, Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
int i;
uint16_t nfaces;
lib3ds_chunk_read_start(&c, CHK_FACE_ARRAY, io);
lib3ds_mesh_resize_faces(mesh, 0);
nfaces = lib3ds_io_read_word(io);
if (nfaces) {
lib3ds_mesh_resize_faces(mesh, nfaces);
for (i = 0; i < nfaces; ++i) {
mesh->faces[i].index[0] = lib3ds_io_read_word(io);
mesh->faces[i].index[1] = lib3ds_io_read_word(io);
mesh->faces[i].index[2] = lib3ds_io_read_word(io);
mesh->faces[i].flags = lib3ds_io_read_word(io);
}
lib3ds_chunk_read_tell(&c, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MSH_MAT_GROUP: {
char name[64];
unsigned n;
unsigned i;
int index;
int material;
lib3ds_io_read_string(io, name, 64);
material = lib3ds_file_material_by_name(file, name);
n = lib3ds_io_read_word(io);
for (i = 0; i < n; ++i) {
index = lib3ds_io_read_word(io);
if (index < mesh->nfaces) {
mesh->faces[index].material = material;
} else {
// TODO warning
}
}
break;
}
case CHK_SMOOTH_GROUP: {
int i;
for (i = 0; i < mesh->nfaces; ++i) {
mesh->faces[i].smoothing_group = lib3ds_io_read_dword(io);
}
break;
}
case CHK_MSH_BOXMAP: {
lib3ds_io_read_string(io, mesh->box_front, 64);
lib3ds_io_read_string(io, mesh->box_back, 64);
lib3ds_io_read_string(io, mesh->box_left, 64);
lib3ds_io_read_string(io, mesh->box_right, 64);
lib3ds_io_read_string(io, mesh->box_top, 64);
lib3ds_io_read_string(io, mesh->box_bottom, 64);
break;
}
default:
lib3ds_chunk_unknown(chunk,io);
}
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
named_object_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
char name[64];
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_NAMED_OBJECT, f)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_string_read(name, 64, f)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", name);
lib3ds_chunk_read_tell(&c, f);
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_N_TRI_OBJECT:
{
Lib3dsMesh *mesh;
mesh=lib3ds_mesh_new(name);
if (!mesh) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_mesh_read(mesh, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_mesh(file, mesh);
}
break;
case LIB3DS_N_CAMERA:
{
Lib3dsCamera *camera;
camera=lib3ds_camera_new(name);
if (!camera) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_camera_read(camera, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_camera(file, camera);
}
break;
case LIB3DS_N_DIRECT_LIGHT:
{
Lib3dsLight *light;
light=lib3ds_light_new(name);
if (!light) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_light_read(light, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_light(file, light);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
/*!
* \ingroup node
*/
Lib3dsBool
lib3ds_node_read(Lib3dsNode *node, Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
ASSERT(node);
if (!lib3ds_chunk_read_start(&c, 0, io)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_AMBIENT_NODE_TAG:
case LIB3DS_OBJECT_NODE_TAG:
case LIB3DS_CAMERA_NODE_TAG:
case LIB3DS_TARGET_NODE_TAG:
case LIB3DS_LIGHT_NODE_TAG:
case LIB3DS_SPOTLIGHT_NODE_TAG:
case LIB3DS_L_TARGET_NODE_TAG:
break;
default:
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_NODE_ID:
{
node->node_id=lib3ds_io_read_word(io);
lib3ds_chunk_dump_info(" ID = %d", (short)node->node_id);
}
break;
case LIB3DS_NODE_HDR:
{
if (!lib3ds_io_read_string(io, node->name, 64)) {
return(LIB3DS_FALSE);
}
node->flags1=lib3ds_io_read_word(io);
node->flags2=lib3ds_io_read_word(io);
node->parent_id=lib3ds_io_read_word(io);
lib3ds_chunk_dump_info(" NAME =%s", node->name);
lib3ds_chunk_dump_info(" PARENT=%d", (short)node->parent_id);
}
break;
case LIB3DS_PIVOT:
{
if (node->type==LIB3DS_OBJECT_NODE) {
int i;
for (i=0; i<3; ++i) {
node->data.object.pivot[i]=lib3ds_io_read_float(io);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_INSTANCE_NAME:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_io_read_string(io, node->data.object.instance, 64)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_BOUNDBOX:
{
if (node->type==LIB3DS_OBJECT_NODE) {
int i;
for (i=0; i<3; ++i) {
node->data.object.bbox_min[i]=lib3ds_io_read_float(io);
}
for (i=0; i<3; ++i) {
node->data.object.bbox_max[i]=lib3ds_io_read_float(io);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_COL_TRACK_TAG:
{
Lib3dsBool result=LIB3DS_TRUE;
switch (node->type) {
case LIB3DS_AMBIENT_NODE:
result=lib3ds_lin3_track_read(&node->data.ambient.col_track, io);
break;
case LIB3DS_LIGHT_NODE:
result=lib3ds_lin3_track_read(&node->data.light.col_track, io);
break;
default:
lib3ds_chunk_unknown(chunk);
}
if (!result) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_POS_TRACK_TAG:
{
Lib3dsBool result=LIB3DS_TRUE;
switch (node->type) {
case LIB3DS_OBJECT_NODE:
result=lib3ds_lin3_track_read(&node->data.object.pos_track, io);
break;
case LIB3DS_CAMERA_NODE:
result=lib3ds_lin3_track_read(&node->data.camera.pos_track, io);
break;
case LIB3DS_TARGET_NODE:
result=lib3ds_lin3_track_read(&node->data.target.pos_track, io);
break;
case LIB3DS_LIGHT_NODE:
result=lib3ds_lin3_track_read(&node->data.light.pos_track, io);
break;
case LIB3DS_SPOT_NODE:
result=lib3ds_lin3_track_read(&node->data.spot.pos_track, io);
break;
default:
lib3ds_chunk_unknown(chunk);
}
if (!result) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_ROT_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_quat_track_read(&node->data.object.rot_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_SCL_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_lin3_track_read(&node->data.object.scl_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_FOV_TRACK_TAG:
{
if (node->type==LIB3DS_CAMERA_NODE) {
if (!lib3ds_lin1_track_read(&node->data.camera.fov_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_HOT_TRACK_TAG:
{
if (node->type==LIB3DS_LIGHT_NODE) {
if (!lib3ds_lin1_track_read(&node->data.light.hotspot_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_FALL_TRACK_TAG:
{
if (node->type==LIB3DS_LIGHT_NODE) {
if (!lib3ds_lin1_track_read(&node->data.light.falloff_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_ROLL_TRACK_TAG:
{
Lib3dsBool result=LIB3DS_TRUE;
switch (node->type) {
case LIB3DS_CAMERA_NODE:
result=lib3ds_lin1_track_read(&node->data.camera.roll_track, io);
break;
case LIB3DS_LIGHT_NODE:
result=lib3ds_lin1_track_read(&node->data.light.roll_track, io);
break;
default:
lib3ds_chunk_unknown(chunk);
}
if (!result) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_HIDE_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_bool_track_read(&node->data.object.hide_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_MORPH_SMOOTH:
{
if (node->type==LIB3DS_OBJECT_NODE) {
node->data.object.morph_smooth=lib3ds_io_read_float(io);
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_MORPH_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_morph_track_read(&node->data.object.morph_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
face_array_read(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
int i;
int faces;
if (!lib3ds_chunk_read_start(&c, LIB3DS_FACE_ARRAY, io)) {
return(LIB3DS_FALSE);
}
lib3ds_mesh_free_face_list(mesh);
faces=lib3ds_io_read_word(io);
if (faces) {
if (!lib3ds_mesh_new_face_list(mesh, faces)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<faces; ++i) {
strcpy(mesh->faceL[i].material, "");
mesh->faceL[i].points[0]=lib3ds_io_read_word(io);
mesh->faceL[i].points[1]=lib3ds_io_read_word(io);
mesh->faceL[i].points[2]=lib3ds_io_read_word(io);
mesh->faceL[i].flags=lib3ds_io_read_word(io);
}
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_SMOOTH_GROUP:
{
unsigned i;
for (i=0; i<mesh->faces; ++i) {
mesh->faceL[i].smoothing=lib3ds_io_read_dword(io);
}
}
break;
case LIB3DS_MSH_MAT_GROUP:
{
char name[64];
unsigned faces;
unsigned i;
unsigned index;
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
faces=lib3ds_io_read_word(io);
for (i=0; i<faces; ++i) {
index=lib3ds_io_read_word(io);
ASSERT(index<mesh->faces);
strcpy(mesh->faceL[index].material, name);
}
}
break;
case LIB3DS_MSH_BOXMAP:
{
char name[64];
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.front, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.back, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.left, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.right, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.top, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.bottom, name);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
mdata_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_MDATA, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_MESH_VERSION:
{
file->mesh_version=lib3ds_intd_read(f);
}
break;
case LIB3DS_MASTER_SCALE:
{
file->master_scale=lib3ds_float_read(f);
}
break;
case LIB3DS_SHADOW_MAP_SIZE:
case LIB3DS_LO_SHADOW_BIAS:
case LIB3DS_HI_SHADOW_BIAS:
case LIB3DS_SHADOW_SAMPLES:
case LIB3DS_SHADOW_RANGE:
case LIB3DS_SHADOW_FILTER:
case LIB3DS_RAY_BIAS:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_shadow_read(&file->shadow, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_VIEWPORT_LAYOUT:
case LIB3DS_DEFAULT_VIEW:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_viewport_read(&file->viewport, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_O_CONSTS:
{
int i;
for (i=0; i<3; ++i) {
file->construction_plane[i]=lib3ds_float_read(f);
}
}
break;
case LIB3DS_AMBIENT_LIGHT:
{
lib3ds_chunk_read_reset(&c, f);
if (!ambient_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_BIT_MAP:
case LIB3DS_SOLID_BGND:
case LIB3DS_V_GRADIENT:
case LIB3DS_USE_BIT_MAP:
case LIB3DS_USE_SOLID_BGND:
case LIB3DS_USE_V_GRADIENT:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_background_read(&file->background, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_FOG:
case LIB3DS_LAYER_FOG:
case LIB3DS_DISTANCE_CUE:
case LIB3DS_USE_FOG:
case LIB3DS_USE_LAYER_FOG:
case LIB3DS_USE_DISTANCE_CUE:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_atmosphere_read(&file->atmosphere, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_ENTRY:
{
Lib3dsMaterial *material;
material=lib3ds_material_new();
if (!material) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_material_read(material, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_material(file, material);
}
break;
case LIB3DS_NAMED_OBJECT:
{
lib3ds_chunk_read_reset(&c, f);
if (!named_object_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
/*!
* \ingroup mesh
*/
Lib3dsBool
lib3ds_mesh_read(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_N_TRI_OBJECT, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_MESH_MATRIX:
{
int i,j;
lib3ds_matrix_identity(mesh->matrix);
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
mesh->matrix[i][j]=lib3ds_io_read_float(io);
}
}
}
break;
case LIB3DS_MESH_COLOR:
{
mesh->color=lib3ds_io_read_byte(io);
}
break;
case LIB3DS_POINT_ARRAY:
{
unsigned i,j;
unsigned points;
lib3ds_mesh_free_point_list(mesh);
points=lib3ds_io_read_word(io);
if (points) {
if (!lib3ds_mesh_new_point_list(mesh, points)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->points; ++i) {
for (j=0; j<3; ++j) {
mesh->pointL[i].pos[j]=lib3ds_io_read_float(io);
}
}
ASSERT((!mesh->flags) || (mesh->points==mesh->flags));
ASSERT((!mesh->texels) || (mesh->points==mesh->texels));
}
}
break;
case LIB3DS_POINT_FLAG_ARRAY:
{
unsigned i;
unsigned flags;
lib3ds_mesh_free_flag_list(mesh);
flags=lib3ds_io_read_word(io);
if (flags) {
if (!lib3ds_mesh_new_flag_list(mesh, flags)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->flags; ++i) {
mesh->flagL[i]=lib3ds_io_read_word(io);
}
ASSERT((!mesh->points) || (mesh->flags==mesh->points));
ASSERT((!mesh->texels) || (mesh->flags==mesh->texels));
}
}
break;
case LIB3DS_FACE_ARRAY:
{
lib3ds_chunk_read_reset(&c, io);
if (!face_array_read(mesh, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MESH_TEXTURE_INFO:
{
int i,j;
for (i=0; i<2; ++i) {
mesh->map_data.tile[i]=lib3ds_io_read_float(io);
}
for (i=0; i<3; ++i) {
mesh->map_data.pos[i]=lib3ds_io_read_float(io);
}
mesh->map_data.scale=lib3ds_io_read_float(io);
lib3ds_matrix_identity(mesh->map_data.matrix);
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
mesh->map_data.matrix[i][j]=lib3ds_io_read_float(io);
}
}
for (i=0; i<2; ++i) {
mesh->map_data.planar_size[i]=lib3ds_io_read_float(io);
}
mesh->map_data.cylinder_height=lib3ds_io_read_float(io);
}
break;
case LIB3DS_TEX_VERTS:
{
unsigned i;
unsigned texels;
lib3ds_mesh_free_texel_list(mesh);
texels=lib3ds_io_read_word(io);
if (texels) {
if (!lib3ds_mesh_new_texel_list(mesh, texels)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->texels; ++i) {
mesh->texelL[i][0]=lib3ds_io_read_float(io);
mesh->texelL[i][1]=lib3ds_io_read_float(io);
}
ASSERT((!mesh->points) || (mesh->texels==mesh->points));
ASSERT((!mesh->flags) || (mesh->texels==mesh->flags));
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
{
unsigned j;
for (j=0; j<mesh->faces; ++j) {
ASSERT(mesh->faceL[j].points[0]<mesh->points);
ASSERT(mesh->faceL[j].points[1]<mesh->points);
ASSERT(mesh->faceL[j].points[2]<mesh->points);
lib3ds_vector_normal(
mesh->faceL[j].normal,
mesh->pointL[mesh->faceL[j].points[0]].pos,
mesh->pointL[mesh->faceL[j].points[1]].pos,
mesh->pointL[mesh->faceL[j].points[2]].pos
);
}
}
if (lib3ds_matrix_det(mesh->matrix) < 0.0)
{
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
Lib3dsMatrix inv_matrix, M;
Lib3dsVector tmp;
unsigned i;
lib3ds_matrix_copy(inv_matrix, mesh->matrix);
lib3ds_matrix_inv(inv_matrix);
lib3ds_matrix_copy(M, mesh->matrix);
lib3ds_matrix_scale_xyz(M, -1.0f, 1.0f, 1.0f);
lib3ds_matrix_mult(M, inv_matrix);
for (i=0; i<mesh->points; ++i) {
lib3ds_vector_transform(tmp, M, mesh->pointL[i].pos);
lib3ds_vector_copy(mesh->pointL[i].pos, tmp);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
kfdata_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_KFDATA, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_KFHDR:
{
file->keyf_revision=lib3ds_word_read(f);
if (!lib3ds_string_read(file->name, 12+1, f)) {
return(LIB3DS_FALSE);
}
file->frames=lib3ds_intd_read(f);
}
break;
case LIB3DS_KFSEG:
{
file->segment_from=lib3ds_intd_read(f);
file->segment_to=lib3ds_intd_read(f);
}
break;
case LIB3DS_KFCURTIME:
{
file->current_frame=lib3ds_intd_read(f);
}
break;
case LIB3DS_VIEWPORT_LAYOUT:
case LIB3DS_DEFAULT_VIEW:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_viewport_read(&file->viewport_keyf, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_AMBIENT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_ambient();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_OBJECT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_object();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_CAMERA_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_camera();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_TARGET_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_target();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_LIGHT_NODE_TAG:
case LIB3DS_SPOTLIGHT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_light();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_L_TARGET_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_spot();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
void
lib3ds_mesh_read(Lib3dsFile *file, Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, CHK_N_TRI_OBJECT, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MESH_MATRIX: {
int i, j;
lib3ds_matrix_identity(mesh->matrix);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
mesh->matrix[i][j] = lib3ds_io_read_float(io);
}
}
break;
}
case CHK_MESH_COLOR: {
mesh->color = lib3ds_io_read_byte(io);
break;
}
case CHK_POINT_ARRAY: {
int i;
uint16_t nvertices = lib3ds_io_read_word(io);
lib3ds_mesh_resize_vertices(mesh, nvertices, mesh->texcos != NULL, mesh->vflags != NULL);
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_io_read_vector(io, mesh->vertices[i]);
}
break;
}
case CHK_POINT_FLAG_ARRAY: {
int i;
uint16_t nflags = lib3ds_io_read_word(io);
uint16_t nvertices = (mesh->nvertices >= nflags)? mesh->nvertices : nflags;
lib3ds_mesh_resize_vertices(mesh, nvertices, mesh->texcos != NULL, 1);
for (i = 0; i < nflags; ++i) {
mesh->vflags[i] = lib3ds_io_read_word(io);
}
break;
}
case CHK_FACE_ARRAY: {
lib3ds_chunk_read_reset(&c, io);
face_array_read(file, mesh, io);
break;
}
case CHK_MESH_TEXTURE_INFO: {
int i, j;
//FIXME: mesh->map_type = lib3ds_io_read_word(io);
for (i = 0; i < 2; ++i) {
mesh->map_tile[i] = lib3ds_io_read_float(io);
}
for (i = 0; i < 3; ++i) {
mesh->map_pos[i] = lib3ds_io_read_float(io);
}
mesh->map_scale = lib3ds_io_read_float(io);
lib3ds_matrix_identity(mesh->map_matrix);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
mesh->map_matrix[i][j] = lib3ds_io_read_float(io);
}
}
for (i = 0; i < 2; ++i) {
mesh->map_planar_size[i] = lib3ds_io_read_float(io);
}
mesh->map_cylinder_height = lib3ds_io_read_float(io);
break;
}
case CHK_TEX_VERTS: {
int i;
uint16_t ntexcos = lib3ds_io_read_word(io);
uint16_t nvertices = (mesh->nvertices >= ntexcos)? mesh->nvertices : ntexcos;;
if (!mesh->texcos) {
lib3ds_mesh_resize_vertices(mesh, nvertices, 1, mesh->vflags != NULL);
}
for (i = 0; i < ntexcos; ++i) {
mesh->texcos[i][0] = lib3ds_io_read_float(io);
mesh->texcos[i][1] = lib3ds_io_read_float(io);
}
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
if (lib3ds_matrix_det(mesh->matrix) < 0.0) {
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
float inv_matrix[4][4], M[4][4];
float tmp[3];
int i;
lib3ds_matrix_copy(inv_matrix, mesh->matrix);
lib3ds_matrix_inv(inv_matrix);
lib3ds_matrix_copy(M, mesh->matrix);
lib3ds_matrix_scale(M, -1.0f, 1.0f, 1.0f);
lib3ds_matrix_mult(M, M, inv_matrix);
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_vector_transform(tmp, M, mesh->vertices[i]);
lib3ds_vector_copy(mesh->vertices[i], tmp);
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
named_object_read(Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
char name[64];
Lib3dsWord chunk;
Lib3dsMesh *mesh = NULL;
Lib3dsCamera *camera = NULL;
Lib3dsLight *light = NULL;
Lib3dsDword object_flags;
if (!lib3ds_chunk_read_start(&c, LIB3DS_NAMED_OBJECT, io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", name);
lib3ds_chunk_read_tell(&c, io);
object_flags = 0;
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_N_TRI_OBJECT:
{
mesh=lib3ds_mesh_new(name);
if (!mesh) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_mesh_read(mesh, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_mesh(file, mesh);
}
break;
case LIB3DS_N_CAMERA:
{
camera=lib3ds_camera_new(name);
if (!camera) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_camera_read(camera, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_camera(file, camera);
}
break;
case LIB3DS_N_DIRECT_LIGHT:
{
light=lib3ds_light_new(name);
if (!light) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_light_read(light, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_light(file, light);
}
break;
case LIB3DS_OBJ_HIDDEN:
object_flags |= LIB3DS_OBJECT_HIDDEN;
break;
case LIB3DS_OBJ_DOESNT_CAST:
object_flags |= LIB3DS_OBJECT_DOESNT_CAST;
break;
case LIB3DS_OBJ_VIS_LOFTER:
object_flags |= LIB3DS_OBJECT_VIS_LOFTER;
break;
case LIB3DS_OBJ_MATTE:
object_flags |= LIB3DS_OBJECT_MATTE;
break;
case LIB3DS_OBJ_DONT_RCVSHADOW:
object_flags |= LIB3DS_OBJECT_DONT_RCVSHADOW;
break;
case LIB3DS_OBJ_FAST:
object_flags |= LIB3DS_OBJECT_FAST;
break;
case LIB3DS_OBJ_FROZEN:
object_flags |= LIB3DS_OBJECT_FROZEN;
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
if (mesh)
mesh->object_flags = object_flags;
if (camera)
camera->object_flags = object_flags;
if (light)
light->object_flags = object_flags;
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
